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Cobalt Sulfate Monohydrate: A High-Purity Cobalt Source for Industrial and Agricultural Use
Cobalt Sulfate Monohydrate is a crystalline compound with the chemical formula CoSO₄·H₂O. It is a hydrated form of cobalt(II) sulfate containing one molecule of water per formula unit. Appearing as a red to pink crystalline solid, this compound is known for its solubility in water, high cobalt content, and versatility in industrial, agricultural, and chemical applications.
As an intermediate between the heptahydrate and anhydrous forms, cobalt sulfate monohydrate offers a balance of stability, handling ease, and concentration. It is widely used in battery production, animal feed additives, ceramic pigments, and electroplating, making it an essential compound in numerous modern technologies and processes.
Description
🔬 Cobalt Sulfate Monohydrate Specifications
| Property | Specification |
|---|---|
| Chemical Name | Cobalt(II) Sulfate Monohydrate |
| Chemical Formula | CoSO₄·H₂O |
| CAS Number | 13455-34-0 |
| Molecular Weight | 173.01 g/mol |
| Appearance | Red to pink crystalline powder |
| Cobalt Content (Co) | ≥ 28% |
| Purity | ≥ 98% |
| Solubility in Water | Soluble (35–40 g/100 mL at 20°C) |
| pH (5% solution) | 3.5 – 5.5 |
| Packaging | 25 kg drums, fiber drums, or moisture-proof bags |
| Shelf Life | 2 years in sealed packaging |
🌐 Applications of Cobalt Sulfate Monohydrate
1. Battery Industry
Cobalt sulfate monohydrate is widely used in the production of rechargeable lithium-ion batteries, especially in the synthesis of cobalt-based cathode materials such as LiCoO₂. It improves battery performance, energy density, and stability.
2. Animal Feed Additive
In agriculture, it acts as a trace mineral supplement in ruminant feeds, particularly for cattle and sheep. Cobalt is essential for vitamin B12 synthesis, supporting metabolism and productivity.
3. Electroplating
Used in metal finishing processes, cobalt sulfate provides a durable, corrosion-resistant coating that enhances the lifespan and aesthetic of metal parts.
4. Pigments and Ceramics
Cobalt compounds, including cobalt sulfate monohydrate, are used to produce vibrant blue and purple pigments in ceramics, glass, and enamel coatings.
5. Chemical Synthesis
It serves as a precursor in the manufacture of various cobalt salts and catalysts used in chemical reactions and industrial formulations.
✅ Key Benefits
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✔️ High purity (≥98%), ideal for sensitive and high-performance applications
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✔️ Higher cobalt concentration than heptahydrate, making it cost-effective
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✔️ Excellent water solubility, allowing easy formulation into solutions
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✔️ Widely used across batteries, agriculture, pigments, and electrochemistry
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✔️ Reliable, stable compound with long shelf life under proper storage
⚠️ Safety & Handling
Cobalt sulfate monohydrate should be handled with care:
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Wear protective gloves, masks, and safety goggles
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Avoid inhalation or direct contact with the skin
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Store in a cool, dry, and well-ventilated area away from moisture and acids
📌 Conclusion
Cobalt Sulfate Monohydrate (CoSO₄·H₂O) is a versatile, high-purity cobalt compound widely valued in the energy, agriculture, and industrial sectors. Its high cobalt content, stability, and water solubility make it an efficient choice for use in battery manufacturing, animal nutrition, and chemical processing. Whether you’re improving livestock health or developing the next generation of energy storage systems, cobalt sulfate monohydrate delivers the reliability and performance your operations demand.
